u.s. officials confirmed that the egyptian authorities have detained a man who has been described variously as, perhaps, an alleged ringleader of an egyptian terrorist network linked to the september 11th attack on the u.s. consulate in benghazi. the united states ambassador and three other americans were killed. also tonght, egyptian president urging national dialogue still, but moving forward with his referendum on an islamist back to constitution. the new york times bureau chief in cairo, david kirkpatrick insisting that the muslim brotherhood is not, and i do ," not violent by nature and have come over the last couple of decades, you off more and more into a moderate conservative but religious moderate regular old political force. well, joining us now is jonathan chancellor, former counter-terrorism analyst, current vice president of research for the foundation for defense of democracy, and it is good to have you with us. your reaction to kirkpatrick's description. >> let me first say